Vol. 06: Bots in a Snap

The nuts and bolts of Lego robot design.



+ Downloads & Extras:

Appendix List of Key Resources:

Item Description

Vendor / Part Number

Approximate Price

Mechanical shaft encoders: 1/4” base, 1/8” shaft Digi-Key / 3315C-1-006-ND $2.50
Potentiometer: 25kOhm, 1/4 watt, 1/4” base, 1/8” shaft Digi-Key / CT2206-ND $2.00
2-56 Swivel ball link with hardware Du-Bro / Cat #367 $2.00
HS-322HD Standard size servo HiTec / HS-322HD $17.00
IR Emitter and photo-transistor detector: T 1-3/4 size RadioShack / 276-142 $3.00
2-56 Threaded rod: 24” length Hobby Shop $2.00
3M Double-stick foam tape: 1/2” width Hardware Store $3.00
3/16” Diameter, 36” length steel rod Hardware Store $3.00
Machine screws, nuts, washers Hardware Store

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